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F101.5 Windows and Other Openings
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Windows and other
openings for the purpose of light or ventilation located in
exterior walls within 2 feet (610 mm) above the existing
ground level immediately below such opening shall be covered
for their entire height and width, including frame, with
hardware cloth of at least 0.035-inch (0.89 mm) wire or
heavier.
Windows and
other openings for the purpose of light and ventilation in
the exterior walls not covered in this chapter, accessible to
rodents by way of exposed pipes, wires, conduits and other
appurtenances, shall be covered with wire cloth of at least
0.035-inch (0.89 mm) wire. In lieu of wire cloth covering,
said pipes, wires, conduits and other appurtenances shall
be blocked from rodent usage by installing solid sheet
metal guards 0.024 inch (0.61 mm) thick or heavier.
Guards shall be fitted around pipes, wires, conduits or
other appurtenances. In addition, they shall be fastened
securely to and shall extend perpendicularly from the exterior
wall for a minimum distance of 12 inches (305 mm)
beyond and on either side of pipes, wires, conduits or
appurtenances.
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